The 6'9" O'Shea, 21, came through the Munster youth system and Crosshaven RFC before making the move to senior club side Dolphin RFC. He was part of Ireland's Under-19 and Under-20 development squads and made his British and Irish Cup debut for Munster A in 2013.

"I am very keen to develop further and believe that playing regularly with Worcester is the right platform for me to bring on my game over the next few years," he said. "I am excited to be joining Warriors as they are a club which have placed a big emphasis on developing young players to build a successful team.

Bruzulier, 21, who progressed through Welsh youth set-up, has represented Wales at age-group and Sevens level. After a spell at Saracens, he moved to France in 2012.

"I'm really pleased to be joining a big club like Worcester and I'm looking forward to getting stuck in," Bruzulier said. "I really believe that the project for the next couple of years is very exciting and I want to work hard and earn my place."